/**
 * feedback — close the retrieval loop with asymmetric trust scoring.
 *
 * Pattern borrowed from Hermes Agent's holographic memory provider: helpful
 * retrievals nudge trust up gently (+0.05), unhelpful ones cut it harder
 * (-0.10). Asymmetry matters — one bad retrieval should cost more than one
 * good retrieval earns, so polluted memories decay out of top ranks quickly.
 *
 * Confidence is the trust signal here: it already feeds composite ranking
 * and consolidation decisions. Every event is also logged to feedback_log
 * so retrieval_audit can correlate feedback with retrieval traces.
 */
import type { ToolDefinition } from '../mcp/tools.js';
export declare const feedbackTool: ToolDefinition;
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